Part of the fun working with data is discovering the "odd bits"
One of the odd bits in this database is Sirius. We all know that Sirius is a binary, right? However, the Hyg dataset lists it as A0m... -- and no, there is no distinct entry for its white dwarf companion. I'm going to assume that "..." stands for an "n-ary" system and process accordingly. Might as well assume the same for ".."
Also, I will have to list all the "famous stars" when I am done and double check (and patch) the results. I am not too worried about the great mass of stars I might as well nail down the easy ones.